refactoring

Resolve #7779

packages/backend/src/server/api/endpoints/drive/files/attached-notes.ts

@@ -0,0 +1,57 @@
+import $ from 'cafy';
+import { ID } from '@/misc/cafy-id';
+import define from '../../../define';
+import { ApiError } from '../../../error';
+import { DriveFiles, Notes } from '@/models/index';
+
+export const meta = {
+	tags: ['drive', 'notes'],
+
+	requireCredential: true as const,
+
+	kind: 'read:drive',
+
+	params: {
+		fileId: {
+			validator: $.type(ID),
+		}
+	},
+
+	res: {
+		type: 'array' as const,
+		optional: false as const, nullable: false as const,
+		items: {
+			type: 'object' as const,
+			optional: false as const, nullable: false as const,
+			ref: 'Note',
+		}
+	},
+
+	errors: {
+		noSuchFile: {
+			message: 'No such file.',
+			code: 'NO_SUCH_FILE',
+			id: 'c118ece3-2e4b-4296-99d1-51756e32d232',
+		}
+	}
+};
+
+export default define(meta, async (ps, user) => {
+	// Fetch file
+	const file = await DriveFiles.findOne({
+		id: ps.fileId,
+		userId: user.id,
+	});
+
+	if (file == null) {
+		throw new ApiError(meta.errors.noSuchFile);
+	}
+
+	const notes = await Notes.createQueryBuilder('note')
+		.where(':file = ANY(note.fileIds)', { file: file.id })
+		.getMany();
+
+	return await Notes.packMany(notes, user, {
+		detail: true
+	});
+});